Borehole 1-QS-1-MA, Sample 26 (Cretaceous to of Brazil)

Also known as Barreninhas Basin

Where: Maranhao, Brazil (3.7° S, 44.6° W: paleocoordinates 8.2° S, 15.5° W)

When: Caete Member (Agua Doce Formation), Early/Lower Albian to Early/Lower Albian (112.0 - 105.3 Ma)

Environment/lithology: deltaic; lithified, argillaceous sandstone and lithified shale

• A monotonous succession of sandstones, clayey sandstones and shales

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: G. F. W. Herngreen. 1973. Palynology of the Albian-Cenomanian strata of Borehole 1-QS-1-MA, State of Maranhao, Brazil. Pollen et Spores 15(3-4):515-555 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 142291: authorized by Carlos Jaramillo, entered by Gabriela Doria on 07.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Lycopodiopsida
 Lycopodiales - Lycopodiaceae
Lycopodiumsporites sp. Delcourt and Sprumont 1955 clubmoss
Equisetopsida
 Pinidae - Pinidae
Psilatricolpites
  -
Psilatricolpites "sp. 1" Van der Hammen and Wijmstra 1964
Psilatricolpites "sp. 2" Van der Hammen and Wijmstra 1964
Psilatricolpites "sp. 3" Van der Hammen and Wijmstra 1964
Psilatricolpites spp. Van der Hammen and Wijmstra 1964
Triporites
  -
Triporites sp. Van der Hammen 1954
Retitricolpites
  -
Retitricolpites "sp. 1" Van der Hammen 1956
Retitricolpites "sp. 2" Van der Hammen 1956
Retitricolpites "sp. 3" Van der Hammen 1956
Retitricolpites "sp. 4" Van der Hammen 1956
Retitricolpites "sp. 5" Van der Hammen 1956
Reticulatasporites
  -
Galeacornea causea
  -
Galeacornea causea Stover 1963 elaterate
Scabramonocolpites
  -
Retitriporites
  -
Retitriporites sp. Ramanujam 1966
Angiospermae
  -
Monosulcites sp. Cookson and Couper 1953
 Austrobaileyales - Trimeniaceae
Dicotyledoneae
  -
Triorites sp. Couper 1953
Triorites africaensis Jardiné and Magloire 1965
Stephanocolpites sp. Van der Hammen 1954
Angiospermae
  -
 Buxales - Didymelaceae
 Gunnerales -
Tricolpites indet. Couper 1953
Striatricolpites
  -
Striatricolpites "sp. 1" Van der Hammen 1956
Striatricolpites "sp. 2" Van der Hammen 1956
Pteridopsida
  -
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites sp. Potonie and Gelletich 1933
Cicatricosisporites hallei Delcourt and Sprumont 1955
Klukisporites sp. Couper 1958
Verrutriletes
  -
Ginkgoopsida
 Ephedrales -
Ephedripites "sp. 1" Bolkhovitina and Potonié 1958
Ephedripites "sp. 10" Bolkhovitina and Potonié 1958
Ephedripites "sp. 11" Bolkhovitina and Potonié 1958
Ephedripites "sp. 2" Bolkhovitina and Potonié 1958
Ephedripites "sp. 3" Bolkhovitina and Potonié 1958
Ephedripites "sp. 4" Bolkhovitina and Potonié 1958
Ephedripites "sp. 5" Bolkhovitina and Potonié 1958
Ephedripites "sp. 6" Bolkhovitina and Potonié 1958
Ephedripites "sp. 7" Bolkhovitina and Potonié 1958
Ephedripites "sp. 8" Bolkhovitina and Potonié 1958
Ephedripites "sp. 9" Bolkhovitina and Potonié 1958
Ephedripites jansonii Muller 1968
Cycadopsida
 Gnetales -
Elaterosporites protensus Jardiné 1967 elaterate
Elaterosporites klaszi Jardiné 1967 elaterate
Elaterosporites verrucatus Jardiné 1967 elaterate
Elaterocolpites castelani Herngreen 1973 elaterate
Steevesipollenites binodosus Stover 1964 cycads
 Cycadales -
Eucommiidites sp. Erdtman 1948 cycads
Foraminifera
 Foraminifera -
Elateropollenites jardinei
  -
Elateropollenites jardinei Herngreen 1973 elaterate
Chomotriletes
  -
Chomotriletes sp. Naumova 1953
Perotriletes pannuceus
  -
Reyrea polymorphus
  -
Reyrea polymorphus Herngreen 1973
Senegalosporites
  -
Senegalosporites petrobrasi Herngreen 1973 elaterate